{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:37.244187", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2013-Jun-26_to_2013-Jun-28_115.5_-21.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2013060001074}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "June 26 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 28 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 66206.4201735542}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Australia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Indian Ocean"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -21.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 115.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "115.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 113.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 116.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.35, -20.75], [113.25, -20.5], [113.35, -20.25], [113.25, -20.0], [113.47, -19.47], [114.0, -19.25], [114.25, -19.35], [114.5, -19.25], [114.75, -19.35], [115.0, -19.25], [115.25, -19.35], [115.5, -19.25], [116.03, -19.47], [116.25, -20.0], [116.15, -20.25], [116.25, -20.5], [116.15, -20.75], [116.25, -21.0], [116.04, -21.5], [116.18, -21.82], [116.53, -21.97], [116.68, -22.32], [117.03, -22.47], [117.25, -23.0], [117.03, -23.53], [116.5, -23.75], [116.25, -23.65], [116.0, -23.75], [115.75, -23.65], [115.5, -23.75], [114.97, -23.53], [114.82, -23.18], [114.47, -23.03], [114.32, -22.68], [113.97, -22.53], [113.82, -22.18], [113.47, -22.03], [113.25, -21.5], [113.35, -21.25], [113.25, -21.0], [113.35, -20.75]]]]}, "2013-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.35, -20.75], [113.25, -20.5], [113.35, -20.25], [113.25, -20.0], [113.47, -19.47], [114.0, -19.25], [114.25, -19.35], [114.5, -19.25], [114.75, -19.35], [115.0, -19.25], [115.25, -19.35], [115.5, -19.25], [116.03, -19.47], [116.25, -20.0], [116.15, -20.25], [116.25, -20.5], [116.15, -20.75], [116.25, -21.0], [116.04, -21.5], [116.18, -21.82], [116.53, -21.97], [116.68, -22.32], [117.03, -22.47], [117.25, -23.0], [117.03, -23.53], [116.5, -23.75], [116.25, -23.65], [116.0, -23.75], [115.75, -23.65], [115.5, -23.75], [114.97, -23.53], [114.82, -23.18], [114.47, -23.03], [114.32, -22.68], [113.97, -22.53], [113.82, -22.18], [113.47, -22.03], [113.25, -21.5], [113.35, -21.25], [113.25, -21.0], [113.35, -20.75]]]]}, "2013-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.35, -20.75], [113.25, -20.5], [113.35, -20.25], [113.25, -20.0], [113.47, -19.47], [114.0, -19.25], [114.25, -19.35], [114.5, -19.25], [114.75, -19.35], [115.0, -19.25], [115.25, -19.35], [115.5, -19.25], [116.03, -19.47], [116.25, -20.0], [116.15, -20.25], [116.25, -20.5], [116.15, -20.75], [116.25, -21.0], [116.04, -21.5], [116.18, -21.82], [116.53, -21.97], [116.68, -22.32], [117.03, -22.47], [117.25, -23.0], [117.03, -23.53], [116.5, -23.75], [116.25, -23.65], [116.0, -23.75], [115.75, -23.65], [115.5, -23.75], [114.97, -23.53], [114.82, -23.18], [114.47, -23.03], [114.32, -22.68], [113.97, -22.53], [113.82, -22.18], [113.47, -22.03], [113.25, -21.5], [113.35, -21.25], [113.25, -21.0], [113.35, -20.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -3.2385653602167963}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.0528899680550827}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.797127798125075, 19.254771928123944, 19.520375054748797]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [15.927562030206673, 15.271259906682644, 15.932165431242368]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.8061468628654622, -2.317254126469068, -2.0352689148307177]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.709019076554, -3.2385653602167963, -2.804332396578843]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5244565091377513, -2.047385260388544, -1.7999771690391329]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9335133935474125, -2.728721464231326, -2.3363938698464577]}}